component
UMH2N
Public Made by Adomby adom
Changjing Digital Transistors, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownUMH2N
Changjing · Digital Transistors · SOT-363
UMH2N from Changjing, in a SOT-363. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | E1 | passive | Emitter (ground) of transistor 1 (NPN digital transistor, DTC144E chip). |
| 2 | B1 | input | Input (base through built-in R1, with R2 to emitter) of transistor 1; input voltage rated -10 to +40 V. |
| 3 | C2 | passive | Collector (output) of transistor 2; output current max 100 mA, supply voltage max 50 V. |
| 4 | E2 | passive | Emitter (ground) of transistor 2 (NPN digital transistor, DTC144E chip). |
| 5 | B2 | input | Input (base through built-in R1, with R2 to emitter) of transistor 2; input voltage rated -10 to +40 V. |
| 6 | C1 | passive | Collector (output) of transistor 1; output current max 100 mA, supply voltage max 50 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-363 |
| Category | Transistors/Thyristors |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input resistance | R1 | 32.9 | 61.1 | KΩ | Ta=25℃ | 1 | |
| Resistance ratio | R2/R1 | 0.8 | 1.2 | Ta=25℃ | 1 | ||
| Supply voltage | VCC | 50 | V | Ta=25℃ | 1 | ||
| Input voltage | Vi | -10 | 40 | V | Ta=25℃ | 1 | |
| Output current | IC(MAX) | 100 | mA | Ta=25℃ | 1 | ||
| Power dissipation | PD | 150 | mW | Ta=25℃ | 1 | ||
| Operation junction and storage temperature range | TJ,Tstg | -55 | 150 | ℃ | Ta=25℃ | 1 |
CAD (KiCad official)
- Symbol:
UMH2N - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files:
umh2n-etched.step/umh2n-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);umh2n.step/umh2n.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (4 pp, sha256
cda889c426f63734, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).